#### Functional

##### Try passing as arguments `"hello world" --color=red`.
###### Does it displays the expected result?
##### Try passing as arguments `"1 + 1 = 2" --color=green`.
###### Does it display the expected result?
##### Try passing as arguments `"(%&) ??" --color=yellow`.
###### Does it display the expected result?
##### Try specifying a set of letters to be colored (the second until the last letter).
###### Does it displays the expected result (the corresponding set of letters with that color)?
##### Try specifying letter to be colored(the second letter).
###### Does it displays the expected result (the corresponding letter with that color)?
##### Try specifying letter to be colored(just two letter).
###### Does it displays the expected result (the corresponding letters with that color)?
##### Try passing as arguments `"HeY GuYs" --color=orange`, in order to color `GuYs`.
###### Does it display the expected result?
##### Try passing as arguments `"RGB()" --color=blue`, in order to color just the B.
###### Does it display the expected result?

#### General Requirements

##### +Is it easy/intuitive to specify letter(s) to be coloured?
##### +Can you use more than one color in the same string?

#### Basic

###### +Does the project runs quickly and effectively (Favoring of recursive, no unnecessary data requests, etc.)?
###### +Is the output of the program well structured? Does any letter seems to be out of line?
###### +Is there a test file for this code?
###### +Are the tests checking each possible case?
###### +Does the code obey the [good practices](https://github.com/01-edu/public/blob/master/subjects/good-practices.en.md)?

#### Social

###### +Did you learn anything from this project?
###### +Would you recommend/nominate this program as an example for the rest of the school?